One face of a glass prism is silver polished. A light ray falls at an angle of 
on the other face. After refraction, it is subsequently reflected from the silvered face and then it retraces its path. The refracting angle of the prism is 
. The refractive index of the material of the prism is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
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